/*
 * Copyright 2018-2019 Expedia Group, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.expedia.adaptivealerting.anomdetect.forecast.interval;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import lombok.Data;
import lombok.NoArgsConstructor;

import static com.expedia.adaptivealerting.anomdetect.util.AssertUtil.isTrue;

@Data
@NoArgsConstructor
public class IntervalForecast {
    private double upperStrong;
    private double upperWeak;
    private double lowerWeak;
    private double lowerStrong;

    @JsonCreator
    public IntervalForecast(
            @JsonProperty("upperStrong") double upperStrong,
            @JsonProperty("upperWeak") double upperWeak,
            @JsonProperty("lowerWeak") double lowerWeak,
            @JsonProperty("lowerStrong") double lowerStrong) {

        isTrue(upperStrong >= upperWeak,
                String.format("Required: upperStrong (%f) >= upperWeak (%f)", upperStrong, upperWeak));
        isTrue(upperWeak >= lowerWeak,
                String.format("Required: upperWeak (%f) >= lowerWeak (%f)", upperWeak, lowerWeak));
        isTrue(lowerWeak >= lowerStrong,
                String.format("Required: lowerWeak (%f) >= lowerStrong (%f)", lowerWeak, lowerStrong));

        this.upperStrong = upperStrong;
        this.upperWeak = upperWeak;
        this.lowerWeak = lowerWeak;
        this.lowerStrong = lowerStrong;
    }
}
